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To investigate the effect of a diet based on the Global Diet Quality Score (GDQS) compared with a standard diet on thyroid biochemical markers in adults with Hashimoto's thyroiditis

To investigate the effect of a diet based on the Global Diet Quality Score (GDQS) compared with a standard diet on thyroid biochemical markers in adults with Hashimoto's thyroiditis: a randomized controlled clinical trial study.

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20250827067023N1
Enrollment
54
Registered
2025-09-20
Start date
2025-09-11
Completion date
Unknown
Last updated
2025-10-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

People with Hashimoto's thyroiditis. Autoimmune thyroiditis

Interventions

Intervention 1: Intervention group: Global Quality Diet (GDQS): In this group, people with Hashimoto's are trained on the GDQS diet for 2 sessions (the first week after the intervention and the last w

Sponsors

Yazd University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Written informed consent from patients BMI higher than 18.5 Age range 18 to 65 years Patients with Hashimoto's euthyroidism and subclinical hypothyroidism (based on blood levels of TPO-Ab, TSH, FT4)

Exclusion criteria

Exclusion criteria: history of bariatric or malabsorptive surgery until one year before the start of the study History of weight loss and slimming surgeries up to one year before the start of the study Pregnant and breastfeeding women use of anti-inflammatory drugs and corticosteroids, thyroid hormone medications, antithyroid drugs, oral glucocorticoids, lithium, amiodarone, and biotin specific diet regimen until three months before the start of the study

Design outcomes

Primary

MeasureTime frame
Anti-TPO Ab level. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: Standard ELISA/RIA Kit by reference laboratory.;TSH level. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: Standard ELISA/RIA Kit by reference laboratory.;FT4 level. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: Standard ELISA/RIA Kit by reference laboratory.;FT3 level. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: Standard ELISA/RIA Kit by reference laboratory.

Secondary

MeasureTime frame
Weight. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: Scales.;Waist circumference. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: Meter.;Hip circumference. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: Meter.;Body mass index. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: Weight / (height)^?.;Blood pressure. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: Digital Sphygmomanometer.;Sleep quality score. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: PSQI Sleep Quality Questionnaire.;Quality of life score. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: ThyPRO39 Quality of Life Questionnaire.;Physical activity score. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: IPAQ Physical Activity Questionnaire.;Socioeconomic status score. Timepoint: At the beginning of the intervention and 12 weeks after the start of the intervention. Method of measurement: SES questionnaire.

Countries

Iran (Islamic Republic of)

Contacts

Public Contactnesa maleki moghadam nezhad

Yazd University of Medical Sciences

nesamalekimoghadam@gmail.com+98 911 508 4087

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026